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/* See COPYING file for copyright and license details. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#ifdef WINVER
#define mkdir(D, M) _mkdir(D)
#endif
#include "util.h"
#define usage "getbnbook " VERSION " - a barnes and noble book downloader\n" \
"usage: getbnbook [-n] isbn13\n" \
" -n download pages from numbers in stdin\n" \
" otherwise, all available pages will be downloaded\n"
#define URLMAX 1024
#define STRMAX 1024
#define MAXPAGES 9999
int pages[MAXPAGES];
int numpages;
char urlpath[STRMAX];
char bookid[STRMAX];
char *bookdir;
char cookies[COOKIEMAX];
int getpagelist()
{
char url[URLMAX];
char *buf = NULL;
char *s, *l;
int i, num;
char avail[STRMAX];
char dummy1[STRMAX], dummy2[STRMAX];
numpages = 0;
snprintf(url, URLMAX, "/DigBooks/viewer/bookviewmanager.aspx?op=getbookinfo&ean=%s", bookid);
if(!get("search2.barnesandnoble.com", url, cookies, NULL, &buf))
return 1;
/* find page url structure */
if((s=strstr(buf, "<imagesize name=\"med\"><param name=\"path\">")) == NULL) {
free(buf);
return 1;
}
s+=strlen("<imagesize name=\"med\"><param name=\"path\">");
l = strchr(s, '<');
for(i=0; s<l && i<STRMAX; s++,i++)
urlpath[i] = *s;
urlpath[i] = '\0';
/* find available pages */
for(i=0, s=buf;*s && i<MAXPAGES; s++) {
if((s = strstr(s, "<page ")) == NULL)
break;
sscanf(s, "<page sequence=\"%d\" type=\"bitmap\" toc=\"%[^\"]\" folio=\"%[^\"]\" freevendstatus=\"%[^\"]\" />", &num, dummy1, dummy2, avail);
if(strncmp(avail, "true", STRMAX) == 0)
pages[i++] = num;
}
numpages = i;
free(buf);
return 0;
}
int getpage(int pagenum)
{
char path[STRMAX], pageurl[STRMAX];
char *s;
snprintf(path, STRMAX, "%s/%04d.png", bookdir, pagenum);
s=strchr(urlpath+7, '/');
snprintf(pageurl, STRMAX, s, pagenum);
if(gettofile("search2.barnesandnoble.com", pageurl, cookies, NULL, path)) {
fprintf(stderr, "%d failed\n", pagenum);
return 1;
}
renameifjpg(path);
printf("%d downloaded\n", pagenum);
fflush(stdout);
return 0;
}
int main(int argc, char *argv[])
{
char *tmp;
char buf[BUFSIZ], pgpath[STRMAX], pgpath2[STRMAX];
char in[16];
int a, i, n;
FILE *f;
DIR *d;
if(argc < 2 || argc > 3 ||
(argc == 3 && (argv[1][0]!='-' || argv[1][1] != 'n'))
|| (argc >= 2 && argv[1][0] == '-' && argv[1][1] == 'h')) {
fputs(usage, stdout);
return 1;
}
strncpy(bookid, argv[argc-1], STRMAX-1);
bookid[STRMAX-1] = '\0';
bookdir = argv[argc-1];
/* get cookie */
if(get("www.barnesandnoble.com", "/", NULL, cookies, &tmp))
free(tmp);
if(getpagelist()) {
fprintf(stderr, "Could not find any pages for %s\n", bookid);
return 1;
}
if(!((d = opendir(bookdir)) || !mkdir(bookdir, S_IRWXU))) {
fprintf(stderr, "Could not create directory %s\n", bookdir);
return 1;
}
if(d) closedir(d);
if(argc == 2) {
for(i=0; i<numpages; i++) {
snprintf(pgpath, STRMAX, "%s/%04d.png", bookdir, pages[i]);
snprintf(pgpath2, STRMAX, "%s/%04d.jpg", bookdir, pages[i]);
if((f = fopen(pgpath, "r")) != NULL || (f = fopen(pgpath2, "r")) != NULL) {
fclose(f);
continue;
}
getpage(pages[i]);
}
} else if(argv[1][0] == '-' && argv[1][1] == 'n') {
while(fgets(buf, BUFSIZ, stdin)) {
sscanf(buf, "%15s", in);
i = -1;
sscanf(in, "%d", &n);
for(a=0; a<numpages; a++) {
if(pages[a] == n) {
i = a;
break;
}
}
if(i == -1) {
fprintf(stderr, "%s not found\n", in);
continue;
}
getpage(pages[i]);
}
}
return EXIT_SUCCESS;
}
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